We model international trade in renewable resources between a single buyer and competitive sellersas a Stackelberg differential game. The buyer uses unit and ad valorem tariffs to indirectly encourageconservation of the renewable resource under study. First, we show that the efficacy of these...

The combination of a general greening of international political debate, and the events of 1992 at the Rio Earth summit have led to great interest in the question of global environmental protection. While it is recognized that international environmental agreements (IEAs) are the means by which...